1F85-275 White Rodgers Programmable Thermostat
The "universal" thermostat

The 1F85-275 is a universal thermostat for 24 volt systems. It will work with any Heating and Air Conditioning systems that require 24 volt control. It has 5-1-1 programming and can be hardwired or battery operated. This unit also has auto changeover, which makes it the most affordable auto changeover offered by White Rodgers.

• Available Terminals- R,C,E/W1,W2,G,Y1,Y2,O,B,L
• Hardwired and or Battery Powered. 
• Choice of 5/1/1 programmable or non-programmable. 
• Four time and four temperature settings per program (heat & cool). 
• Energy Star rated with energy savings up to 33%. 
• Pre-programmed simplifies initial programming. 
• 40% Larger LCD with improved contrast for easier reading. 
• Lighted display for easier low-light viewing. 
• Optional minimum and maximum temperature settings. 
• Permanent program retention during power loss, no batteries needed. 
• Indefinite setpoint hold or programmable timed hold up to eight hours. 
• Air filter change indicator. 
• Simple menu to activate features. 
• Temporary temperature override until next program. 
• Includes two AA Batteries. 
• Coded keypad lockout. 
• Dimensions are 3.8” x 6.1” x 1.1”. 
• Display size is 2 ¼” Wide x 1” Tall. 
• Digit Size is ¼” wide x ½” tall. 20-30 
• VAC Setpoint 45-90° Degrees F. 
• Rated differential: .6° to 1.6° F with adjustable anticipation.